Alexandra Hall Hall, lead envoy for Brexit on the British embassy in Washington, accused ministers of utilizing “misleading or disingenuous” arguments in regards to the impacts of leaving the European Union.
In a damning resignation letter, Ms Hall Hall mentioned the place she has held for 33 years had turn into “unbearable personally and untenable professionally”.
“I am also at a stage in life where I would prefer to do something more rewarding with my time, than peddle half-truths on behalf of a government I do not trust,” she wrote.
Her departure is a extreme blow for the Conservative Party and Mr Johnson, as they fight to cut through to voters with the slogan “get Brexit done”.
Ms Hall Hall, an esteemed member of the Diplomatic Service and former ambassador to Georgia, mentioned the actions of British ministers had been making it more durable for the nation’s diplomats to uphold “core values” overseas.
In the letter, written days earlier than the nation goes to the polls, she additionally hit out at a “reluctance to address honestly, even with our own citizens, the challenges and trade-offs which Brexit involves” using “some behaviour towards our institutions, which, were it happening in another country, we would almost certainly as diplomats have received instructions to register our concern.”
She added: “It makes our job to promote democracy and the rule of law that much harder, if we are not seen to be upholding these core values at home.”
Her letter, addressed to deputy ambassador Michael Tatham and dated December 3, was mentioned to have been distributed broadly in the civil service.
She insisted her determination to give up was nothing about being “for or in opposition to Brexit, per se”, and that she had been dedicated to making her posting a hit.
“I took this position with a sincere commitment, indeed passion, to do my part, to the very best of my abilities, to help achieve a successful outcome on Brexit,” she added, saying she was standing down now to keep away from showing to react to the December 12 election consequence.
CNN reported that she had filed a proper criticism over allegedly being requested to use partisan language on Brexit whereas in Washington.
Ms Hall Hall was UK ambassador to Georgia between 2013 and 2016, transferring to the US to coincide with President Trump’s ascent to energy.
A Foreign Office spokesman mentioned: “We won’t comment on the detail of an individual’s resignation.”
Additional reporting by PA Media.